Abstract
AbstractIn this study we made of reaction of 11H‐indeno[1,2‐b]quinoxalin‐11‐one with hydrazine hydrate and phenyl hydrazine to afford the corresponding hydrazineylidenes 3 a, b in good yield.A series of a novel Schiff's bases of isatin and aldehydes were synthesized by condensation of them with 11‐hydrazineylidene‐11H‐indeno[1,2‐b]quinoxaline. A number of aminophosphonates were synthesized by reaction of imines with dialkyl phosphites according to Pudovik reaction. The chemical structures of the synthesized compounds were confirmed by means spectroscopic evidences. The cytotoxic activity of ten derivatives were investigated in the liver cancer cell line HepG‐2 and the breast cancer cell line MCF‐7.Compounds 7 a, b showed higher cytotoxicity towards the liver cancer cell line HepG‐2 and compound 10 a gave higher cytotoxicity towards the breast cancer cell line (MCF7) most than the reference drug (Doxorubicin). From the above‐mentioned results it may be concluded that compounds containing bis‐aminophosphonate exhibit better activity than the aminophosphonate. The molecular docking studies of phosphonates and bisphosphonates were investigated.
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